<!DOCTYPE HTML>
<html>
<head>
  <script type="application/javascript" src="head.js"></script>
  <script type="application/javascript" src="mediaStreamPlayback.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">

createHTML({title: "Detect screensharing sources that are firefox", bug: "1311048"});

netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");

const { Services } = SpecialPowers.Cu.import('resource://gre/modules/Services.jsm');

let observe = topic => new Promise(r => Services.obs.addObserver(function o(...args) {
  Services.obs.removeObserver(o, topic);
  r(args);
}, topic, false));

let getDevices = async constraints => {
  let [{ windowID, innerWindowID, callID }] = await Promise.race([
    getUserMedia(constraints),
    observe("getUserMedia:request")
  ]);
  let window = Services.wm.getOuterWindowWithId(windowID);
  let devices = await new Promise((resolve, reject) =>
      window.navigator.mozGetUserMediaDevices({}, resolve, reject,
                                              innerWindowID, callID));
  return devices.map(d => d.QueryInterface(Ci.nsIMediaDevice));
};

runTest(async () => {
  try {
    const isWinXP = navigator.userAgent.indexOf("Windows NT 5.1") != -1;
    if (IsMacOSX10_6orOlder() || isWinXP) {
      ok(true, "Screensharing disabled for OSX10.6 and WinXP");
      return;
    }

    await pushPrefs(["media.navigator.permission.disabled", true],
                    ["media.navigator.permission.fake", true],
                    ["media.navigator.permission.force", true]);
    let devices = await getDevices({video: { mediaSource: "window" }});
    ok(devices.length, "Found one or more windows.");
    devices = devices.filter(d => d.scary);
    ok(devices.length, "Found one or more scary windows (our own counts).");
    devices.filter(d => d.name.includes("MochiTest"));
    ok(devices.length,
       "Our own window is among the scary: " + devices.map(d => `"${d.name}"`));

    devices = await getDevices({video: { mediaSource: "screen" }});
    let numScreens = devices.length;
    ok(numScreens, "Found one or more screens.");
    devices = devices.filter(d => d.scary);
    is(devices.length, numScreens, "All screens are scary.");
  } catch(e) {
    ok(false, e);
  }
});

</script>
</pre>
</body>
</html>
